APA (7th ed.) Citation

Stevenson, S., & Forbes, D. (2009). A companion guide to photography in the National Galleries of Scotland (Rev. ed.). NGS.

Chicago Style (17th ed.) Citation

Stevenson, Sara, and Duncan Forbes. A Companion Guide to Photography in the National Galleries of Scotland. Rev. ed. Edinburgh: NGS, 2009.

MLA (9th ed.) Citation

Stevenson, Sara, and Duncan Forbes. A Companion Guide to Photography in the National Galleries of Scotland. Rev. ed. NGS, 2009.